They ( didn t seen, haven t seen) the tsar bell yet. nick has already (became, become, becoming) a pilot.

Question

Английский язык: They ( didn t seen, haven t seen) the tsar bell yet. nick has already (became, become, becoming) a pilot.

AikolNur · Answer

They haven t seen the Tsar Bell yet.Nick has already become a pilot....

They ( didn't seen, haven't seen) the tsar bell yet. nick has already (became, become, becoming) a pilot.